Blue Oyster Cult - Eti Extra Terrestrial Intelligence tab

i couldn't find any tabs out there that got the intro right, so i
thought i'd post my own. this is how i play it, and i'm pretty sure
it's how BOC plays it too.
[ Tab from: http://www.guitaretab.com/b/blue-oyster-cult/77559.html ]
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---2---4--------------2-4-5-5-4-2------------------------------------|
---0---0----0-2-0-3-4-------------3p2--------------------------------|